Daikin K-Series Service Manual page 120

SiBE061121.book Page 110 Monday, April 25, 2011 3:21 PM
Troubleshooting
Troubleshooting
Check No.17
Refer to P.126
Check No.19
Refer to P.127
25/35 class
50 class
Note: Refer to "Application of silicon grease to a power transistor and a diode bridge" on page 136 for
detail.
110
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn off the power and turn it on
again to start the system.
YES
Error displayed again?
NO
Check No. 19
NG
Check the outdoor fan or
related.
OK
Too dirty
Radiation fin dirty?
Slightly dirty
Check No. 17
Check the installation condition.
A (°C)
98
105
YES
Has PCB been replaced?
NO
Check the radiation fin
temperature.
NO
Above A ˚C?
YES
SiBE061121
Check if the silicon grease
applied properly on the
radiation fin. If not, apply it
(∗). (See Note.)
∗
Silicon grease
Part No.: 1172698
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
(R14445)
Service Diagnosis